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GM Tech (Cam), Pontiac Technician

Category: Pontiac

Satisfied Customers: 2373

Experience: GM Grand Master Technician 2007. 14 years experience.

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My 2007 pontiac grand prix will not start and does not have

Customer Question

my 2007 pontiac grand prix will not start and does not have power to the purple wire at the starter silanoid. starter is good and ignition module is good, all fuses are good and relays as well.............. no anti theft message either. any ideas?????

I know that you said the security light is not on, but try the relearn procedure listed below. Instead of waiting for the light to turn off, just time out 10 full minutes in step 2.

1. With a master PASS-Key III key, turn ON the ignition, with the engine OFF.

2. Observe the STARTING DISABLED DUE TO THEFT message on the driver information center (DIC), after approximately 10 minutes the STARTING DISABLED DUE TO THEFT message on the DIC will turn off.

3. Turn OFF the ignition, and wait 5 seconds.

4. Repeat steps 1-3 two more times for a total of 3 cycles or 30 minutes.

Important: The vehicle learns the key transponder information and/or passwords on the ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.

5. With a master PASS-Key III key, start the vehicle. The vehicle has now learned the key transponder information and the PCM has now learned the fuel continue password.

There is no switch at the transmission on this model. There is a range sensor in the transmission that reports back to the PCM (computer) The computer will then disable the starter relay based upon the range sensor position. Best thing to do at this point would be to connect a scan tool to see if the PCM is disabling the starter relay.